The orbit and colors of the Cepheid S MUSCAE

Details The orbit and colors of the Cepheid S MUSCAE The orbit and colors of the Cepheid S MUSCAE

May 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990pasp..102..551e&link_type=abstract

Astronomical Society of the Pacific, Publications (ISSN 0004-6280), vol. 102, May 1990, p. 551-557. Research supported by NSERC.

Astronomy and Astrophysics

Astronomy

13

Binary Stars, Cepheid Variables, Orbit Calculation, Stellar Color, Stellar Orbits, Astronomical Photometry, Interstellar Extinction, Iue, Stellar Spectra

Scientific paper

A new orbit has been computed for the binary Cepheid S Mus combining new data from Mount John Observatory with previous data. Corrections to the colors and reddening due to the light from the companion are derived. The spectral type determined from IUE low-dispersion spectra is used for these corrections. The corrections are small, even though the companion is one of the hottest (B5 V) known for a Cepheid.

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